The waiting lists for a bed in a public elderly care home in Beijing have grown ________ long that some are saying it could take 100 years to get a position.

Nancy reminded me of what I should ________ have forgotten.

The boy ________ avoided being run over by a speeding car when crossing the busy street the other day. 

Apple’s iPad2 uses a 9.7-inch touch screen like the iPad. ______, it is equipped with a pair of new cameras, which the iPad doesn’t have.

The teacher always makes his class so ____and interesting for us.